GreeneJohnson1989a

Référence

Greene, D.F., Johnson, E.A. (1989) A model of wind disperal of winged or plumed seeds. Ecology, 70(2):339-347.

Résumé

A micrometeorological model was derived for the dispersal of winged or plumed seeds from a point source, based on mean release height, mean and standard deviation of the terminal velocities of seeds, standard deviation of vertical wind velocities, and the mean and standard deviation of the natural logarithms of horizontal wind velocities. Predictions include 1) the distribution of the dispersal curve (defined as numbers vs. distance from source) is right skewed; 2) the median and long-range dispersal distances need not be well correlated; and 3) increased variance in flight trajectories for a seed population will place the mode of the dispersal curve closer to the source. Winged seeds do not detach from the parent randomly with respect to horizontal wind velocity. -from Authors

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@ARTICLE { GreeneJohnson1989a,
    AUTHOR = { Greene, D.F. and Johnson, E.A. },
    TITLE = { A model of wind disperal of winged or plumed seeds },
    JOURNAL = { Ecology },
    YEAR = { 1989 },
    VOLUME = { 70 },
    PAGES = { 339-347 },
    NUMBER = { 2 },
    NOTE = { 00129658 (ISSN) Cited By (since 1996): 119 Export Date: 27 April 2007 Source: Scopus Language of Original Document: English },
    ABSTRACT = { A micrometeorological model was derived for the dispersal of winged or plumed seeds from a point source, based on mean release height, mean and standard deviation of the terminal velocities of seeds, standard deviation of vertical wind velocities, and the mean and standard deviation of the natural logarithms of horizontal wind velocities. Predictions include 1) the distribution of the dispersal curve (defined as numbers vs. distance from source) is right skewed; 2) the median and long-range dispersal distances need not be well correlated; and 3) increased variance in flight trajectories for a seed population will place the mode of the dispersal curve closer to the source. Winged seeds do not detach from the parent randomly with respect to horizontal wind velocity. -from Authors },
    KEYWORDS = { anemochory dispersal seed morphology wind },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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